OpenModelica cvode from 2026-01-12 03:23:09 to 2026-01-22 11:29:17

Summary

OMC Commits	23
Libraries Changed	5
Number of Improvements	12
Number of Regressions	19
Number of Performance Improvements	3
Number of Performance Regressions	6

OpenModelica Changes

Commit	Date	Author	Summary
859dd555f7	2026-01-21 15:22:41 +0100	Per Östlund	Improve handling of comma separated flag values (#14923)
9d3799bda6	2026-01-21 13:47:58 +0100	phannebohm	Align units with BIPM definitions (#14921)
879e377090	2026-01-20 16:20:16 +0100	Andreas	[C] mat4_init4 replace memcpy with snprintf (#14919)
91dcc485bf	2026-01-20 11:27:03 +0100	Per Östlund	Improve Ceval error messages (#14911)
0ee62283b0	2026-01-19 20:29:50 +0100	Andreas	Refactor mat4 res (#14917)
2160a9415b	2026-01-19 16:12:41 +0100	Andreas	[C] Remove result file format recon "wall" (#14915)
67e1063d3e	2026-01-19 16:00:41 +0100	Andreas	Format simulation_result_mat4.cpp (#14914)
ec1431ce2c	2026-01-19 14:24:09 +0100	Adeel Asghar	Update time display unit (#14912)
af727a8983	2026-01-19 13:58:02 +0100	Adeel Asghar	Handle the edit case of choicesAllMatching (#14910)
f9006e0b04	2026-01-19 13:49:33 +0100	Andreas	[CI] Move sanity check to script (#14900)
4daace8451	2026-01-16 13:24:13 +0100	Andreas	[C] min, max array attributes for reals (#14897)
f7214d50ab	2026-01-15 17:47:26 +0100	phannebohm	Write var index in JSON file (#14898)
84e69202a6	2026-01-15 15:47:49 +0100	Adeel Asghar	Update the value binding on FocusOut (#14891)
50d70faab9	2026-01-15 13:06:31 +0100	Per Östlund	Don't require = to set a flag value (#14896)
eab61fd084	2026-01-14 17:35:58 +0100	Andreas	[C] Real array nominal attribute (#14771)
b650d212d9	2026-01-14 16:29:45 +0100	Andreas	Assert codegen crefVarInfo generates valid index (#14895)
e156c5a0f7	2026-01-14 15:20:12 +0100	Per Östlund	Add --cmd flag (#14893)
06e215115e	2026-01-14 11:53:37 +0100	Andreas	[GBODE] fabs nominal for error tolerance (#14889)
ace94abfa1	2026-01-13 16:07:38 +0100	Per Östlund	Fix evaluation of end in functions (#14888)
87c68dea01	2026-01-13 13:40:53 +0100	linuslangenkamp	[C] update GBODE step size after events (#14876)
572ad3c96e	2026-01-12 19:15:38 +0100	arun3688	update reconciled modelica model with reconciled values (#14881)
86d2ab2f65	2026-01-12 16:27:04 +0100	Andreas	Fallback nominal attribute for index=-1 variables (#14878)
44d5c03e7e	2026-01-12 11:40:08 +0100	linuslangenkamp	[C] add explicit casts to silence compiler warnings (#14872)

OpenModelicaLibraryTesting Changes

Commit	Date	Author	Summary
f269188	2025-12-11 11:52:34 +0100	Adrian Pop	add extra simflags gbode (#262)
a8b7fb3	2025-12-04 12:35:20 +0100	Adrian Pop	update HelmholtzMedia (#261)

Library Changes

Library	Change
AES	From version main (b4afa4f8240cbd51a0496cf107f1ab8fc8d45cfa) to main (5bbfa52976f4915c3728d02ba533a3f5b68e979a)
Buildings_latest	From version 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/944f6639087d1f654fddde90873a352e042f09c4.zip) to 13.0.0-master (https://github.com/lbl-srg/modelica-buildings/archive/ef1ad979e95241e5744999dba8c743b7d43e0355.zip)
Dynawo_dev	From version 1.8.0-master (2d76cca2fc3989249452d9fd54cb2c3ff5fe4df4) to 1.8.0-master (63ee5d8014193e1e20678ae28b9ee0ff38c62429)
IBPSA_latest	From version 4.0.0-master (c60b634f027173358665c68fa662e42ad3999477) to 4.0.0-master (231503d1bb4eea092518c814d559204825d808d3)
TILMedia	From version 1.9.0-ClaRa (https://github.com/TLK-Thermo/TILMediaClaRa/archive/1845376fb70a32e51c8bbf75ae999c27662b376e.zip) to 1.9.0-ClaRa (https://github.com/TLK-Thermo/TILMediaClaRa/archive/e7aa67b78ec5ea3ec229dcb2d064b10db17d96cd.zip)

Models Affected

AES	AES.Coursework.ThermSys_case_studies.Heat_network.HC_SS_case_001 (sim)	Simulate → FrontEnd
AES	AES.Coursework.ThermSys_control_problems.Flow_pressure_control_liquids.Valve_linearisation_case_001a_DT_LargeScale (sim)	Simulate → Compile
AES	AES.Devel_test_models.Test_substation_001 (sim)	Simulate → FrontEnd
AixLib	AixLib.Examples.Tutorial.SimpleHouse.SimpleHouse6 (sim)	Compile → Simulate
Buildings_11	Buildings.DHC.Loads.BaseClasses.Examples.CouplingRCZ6 (sim)	Compile → Verify
Buildings_11	Buildings.Examples.VAVReheat.Validation.TraceSubstance (sim)	Compile → Simulate
Buildings_12	Buildings.DHC.Loads.BaseClasses.Examples.CouplingRCZ6 (sim)	Compile → Verify
Buildings_12	Buildings.DHC.Plants.Combined.Validation.AllElectricCWStorage (sim)	Simulate → Compile
Buildings_12	Buildings.Examples.ScalableBenchmarks.BuildingVAV.Examples.TwoFloor_TwoZone (sim)	Simulate performance 1.64 → 13.98
Buildings_12	Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse6 (sim)	Verify → Compile
Buildings_12	Buildings.ThermalZones.Detailed.Examples.FFD.Tutorial.MixedConvection (sim)	Simulate performance 0:06:40 → 0.18
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.FanCoilUnits.Subsequences.Validation.SupplyAirTemperature (sim)	Verify → Simulate
Buildings_latest	Buildings.Controls.OBC.ASHRAE.G36.FanCoilUnits.Validation.Controller (sim)	Verify → Simulate
Buildings_latest	Buildings.DHC.Examples.Combined.SeriesConstantFlow (sim)	Compile → Simulate
Buildings_latest	Buildings.DHC.Examples.Combined.SeriesVariableFlow (sim)	Compile → Simulate
Buildings_latest	Buildings.DHC.Loads.BaseClasses.Examples.CouplingRCZ6 (sim)	Simulate → Compile
Buildings_latest	Buildings.DHC.Loads.Cooling.Examples.BuildingTimeSeriesWithETS (sim)	Verify → Compile
Buildings_latest	Buildings.DHC.Plants.Combined.Examples.AllElectricCWStorage (sim)	Simulate performance 45.87 → 24.62
Buildings_latest	Buildings.DHC.Plants.Combined.Validation.AllElectricCWStorage (sim)	Simulate → Compile
Buildings_latest	Buildings.Examples.Tutorial.SimpleHouse.SimpleHouse6 (sim)	Verify → Compile
Buildings_latest	Buildings.Examples.VAVReheat.Validation.TraceSubstance (sim)	Simulate → Compile
Buildings_latest	Buildings.ThermalZones.EnergyPlus_24_2_0.Examples.SmallOffice.Guideline36Summer (sim)	Simulate → Compile
Dynawo	Dynawo.Examples.Nordic.TestCases.TestCase (sim)	Simulate → Failed
Dynawo_dev	Dynawo.Examples.Nordic.TestCases.TestCase (sim)	Compile → Failed
IBPSA_latest	IBPSA.Examples.Tutorial.SimpleHouse.SimpleHouse6 (sim)	Simulate → Compile
IDEAS	IDEAS.Buildings.Components.Examples.NumberOccupants (sim)	Compile → Simulate
IDEAS	IDEAS.Fluid.Geothermal.Borefields.Validation.ConstantHeatInjection_100Boreholes (sim)	Simulate → Compile
Modelica_3.2.3	Modelica.Fluid.Examples.Explanatory.MeasuringTemperature (sim)	Simulate performance 8.75 → 16.17
Modelica_3.2.3	Modelica.Fluid.Examples.InverseParameterization (sim)	Simulate performance 6.34 → 11.57
Modelica_4.1.0	Modelica.Electrical.PowerConverters.Examples.ACDC.RectifierBridge2mPulse.ThyristorBridge2mPulse_DC_Drive (sim)	Simulate performance 6.76 → 12.67
Modelica_4.1.0	Modelica.Fluid.Examples.InverseParameterization (sim)	Simulate performance 5.90 → 11.23
Modelica_DeviceDrivers	Modelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_MQTT (sim)	Simulate performance 5.92 → 0:01:16
Modelica_DeviceDrivers	Modelica_DeviceDrivers.Blocks.Examples.TestSerialPackager_UDPExternalTrigger (sim)	Compile → Simulate
ScalableTestSuite	ScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_320 (sim)	Compile → Verify
ScalableTestSuite_noopt	ScalableTestSuite.Elementary.SimpleODE.ScaledExperiments.CascadedFirstOrder_N_1600 (sim)	Simulate performance 23.55 → 13.13
ScalableTestSuite_noopt	ScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEventsManyConditions_N_8000_M_10 (sim)	Compile → Verify
ScalableTestSuite_noopt	ScalableTestSuite.Elementary.WhenEvents.ScaledExperiments.ManyEvents_N_8000_M_10 (sim)	Compile → Failed
ScalableTestSuite_noopt	ScalableTestSuite.Thermal.Advection.ScaledExperiments.SteamPipe_N_320 (sim)	Verify → Compile
TILMedia	TILMedia.Internals.GasDiffusionCoefficients.Testers.TesterBinaryDiffCoeffLit (sim)	Failed → Compile
ThermoPower	ThermoPower.Examples.HRB.Simulators.OpenLoopSimulatorHtc (sim)	SimCode → Templates